stupefactive
/stjuːpɪˈfaktɪv
/rare
adjective
(Of a drug) inducing unconsciousness or insensibility.Opium and laudanum are both stimulating and stupefactive....
- This stupefactive power of coriander seed is a newly discovered property.
- The whiskey being exhausted, the Indians retired to rest, under its stupefactive influence.
noun
A drug which induces unconsciousness or insensibility.Such a sleep-producing stupefactive is worthy of the highest praise....
- While under the influence of a stupefactive or anaesthetic, the sorcerer or the person subjected to his artifices, beheld spirits or daemons.
- Many accidents have arisen from its too general use as a stupefactive for infants.